Class Property
2 typesschema.org
Date the content expires and is no longer useful or available. For example a [VideoObject](https://schema.org/VideoObject) or [NewsArticle](https://schema.org/NewsArticle) whose availability or relevance is time-limited, a [ClaimReview](https://schema.org/ClaimReview) fact check whose publisher wants to indicate that it may no longer be relevant (or helpful to highlight) after some date, or a [Certification](https://schema.org/Certification) the validity has expired.
Class Property
1 typeschema.org
A work that is a translation of the content of this work. E.g. θ₯Ώιθ¨ has an English workTranslation βJourney to the Westβ, a German workTranslation βMonkeys Pilgerfahrtβ and a Vietnamese translation TΓ’y du kΓ½ bΓ¬nh khαΊ£o.
Class Property
3 typesschema.org
The identifier property represents any kind of identifier for any kind of [Thing](https://schema.org/Thing), such as ISBNs, GTIN codes, UUIDs etc. Schema.org provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See [background notes](https://schema.org/docs/datamodel.html#identifierBg) for more details.
Class Property
1 typeschema.org
Indicates that the resource is compatible with the referenced accessibility API. Values should be drawn from the [approved vocabulary](https://www.w3.org/2021/a11y-discov-vocab/latest/#accessibilityAPI-vocabulary).
Class Property
1 typeschema.org
Identifies input methods that are sufficient to fully control the described resource. Values should be drawn from the [approved vocabulary](https://www.w3.org/2021/a11y-discov-vocab/latest/#accessibilityControl-vocabulary).
Class Property
1 typeschema.org
Content features of the resource, such as accessible media, alternatives and supported enhancements for accessibility. Values should be drawn from the [approved vocabulary](https://www.w3.org/2021/a11y-discov-vocab/latest/#accessibilityFeature-vocabulary).
Class Property
1 typeschema.org
A characteristic of the described resource that is physiologically dangerous to some users. Related to WCAG 2.0 guideline 2.3. Values should be drawn from the [approved vocabulary](https://www.w3.org/2021/a11y-discov-vocab/latest/#accessibilityHazard-vocabulary).
Class Property
1 typeschema.org
A human-readable summary of specific accessibility features or deficiencies, consistent with the other accessibility metadata but expressing subtleties such as "short descriptions are present but long descriptions will be needed for non-visual users" or "short descriptions are present and no long descriptions are needed".
Class Property
1 typeschema.org
The human sensory perceptual system or cognitive faculty through which a person may process or perceive the intellectual content of a resource, not including any adaptations of the content (e.g., text alternatives for images). Values should be drawn from the [approved vocabulary](https://www.w3.org/2021/a11y-discov-vocab/latest/#accessMode-vocabulary).
Class Property
2 typesschema.org
A list of single or combined access modes that are sufficient to understand all the intellectual content of a resource, including any adaptations. Values should be drawn from the [approved vocabulary](https://www.w3.org/2021/a11y-discov-vocab/latest/#accessModeSufficient-vocabulary).
Class Property
2 typesschema.org
An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. Typically the value is a URI-identified RDF class, and in this case corresponds to the use of rdf:type in RDF. Text values can be used sparingly, for cases where useful information can be added without their being an appropriate schema to reference. In the case of text values, the class label should follow the schema.org [style guide](https://schema.org/docs/styleguide.html).
Class Property
2 typesschema.org
The author of this content or rating. Please note that author is special in that HTML 5 provides a special mechanism for indicating authorship via the rel tag. That is equivalent to this and may be used interchangeably.
Class Property
1 typeschema.org
The number of comments this CreativeWork (e.g. Article, Question or Answer) has received. This is most applicable to works published in Web sites with commenting system; additional comments may exist elsewhere.
Class Property
1 typeschema.org
A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation.
Class Property
1 typeschema.org
An alignment to an established educational framework. This property should not be used where the nature of the alignment can be described using a simple property, for example to express that a resource [teaches](https://schema.org/teaches) or [assesses](https://schema.org/assesses) a competency.
Class Property
2 typesschema.org
Media type, typically MIME format (see [IANA site](http://www.iana.org/assignments/media-types/media-types.xhtml)) of the content, e.g. application/zip of a SoftwareApplication binary. In cases where a CreativeWork has several media type representations, 'encoding' can be used to indicate each MediaObject alongside particular fileFormat information. Unregistered or niche file formats can be indicated instead via the most appropriate URL, e.g. defining Web page or a Wikipedia entry.
Class Property
2 typesschema.org
The language of the content or performance or used in an action. Please use one of the language codes from the [IETF BCP 47 standard](http://tools.ietf.org/html/bcp47). See also [availableLanguage](https://schema.org/availableLanguage).
Class Property
1 typeschema.org
Indicates that this legislation (or part of a legislation) is somehow transfered by another legislation in a different legislative context. This is an informative link, and it has no legal value. For legally-binding links of transposition, use the property [legislationTransposedBy](https://schema.org/legislationTransposedBy). For example the informative consolidated version of the European Directive is somehow "applied by" an informative consolidated law in a European Union's member state.
Class Property
1 typeschema.org
Indicates that this legislation (or part of a legislation) somehow transfers another legislation in a different legislative context. This is an informative link, and it has no legal value. For legally-binding links of transposition, use the [legislationTransposes](https://schema.org/legislationTransposes) property. For example an informative consolidated law of a European Union's member state "applies" the consolidated version of the European Directive implemented in it.
Class Property
1 typeschema.org
Another legislation that changes this legislation. This encompasses the notions of amendment, replacement, correction, repeal, or other types of change. This may be a direct change (textual or non-textual amendment) or a consequential or indirect change. The property is to be used to express the existence of a change relationship between two acts rather than the existence of a consolidated version of the text that shows the result of the change. For consolidation relationships, use the [legislationConsolidatedBy](https://schema.org/legislationConsolidatedBy) property.
Class Property
1 typeschema.org
Another legislation that this legislation changes. This encompasses the notions of amendment, replacement, correction, repeal, or other types of change. This may be a direct change (textual or non-textual amendment) or a consequential or indirect change. The property is to be used to express the existence of a change relationship between two acts rather than the existence of a consolidated version of the text that shows the result of the change. For consolidation relationships, use the [legislationConsolidates](https://schema.org/legislationConsolidates) property.
Class Property
1 typeschema.org
Indicates another legislation taken into account in this consolidated legislation (which is usually the product of an editorial process that revises the legislation). This property should be used multiple times to refer to both the original version or the previous consolidated version, and to the legislations making the change.
Class Property
1 typeschema.org
The date of adoption or signature of the legislation. This is the date at which the text is officially aknowledged to be a legislation, even though it might not even be published or in force.
Class Property
1 typeschema.org
The point-in-time at which the provided description of the legislation is valid (e.g.: when looking at the law on the 2016-04-07 (= dateVersion), I get the consolidation of 2015-04-12 of the "National Insurance Contributions Act 2015")
Class Property
2 typesschema.org
An identifier for the legislation. This can be either a string-based identifier, like the CELEX at EU level or the NOR in France, or a web-based, URL/URI identifier, like an ELI (European Legislation Identifier) or an URN-Lex.
Class Property
2 typesschema.org
The person or organization that originally passed or made the law: typically parliament (for primary legislation) or government (for secondary legislation). This indicates the "legal author" of the law, as opposed to its physical author.
Class Property
2 typesschema.org
An individual or organization that has some kind of responsibility for the legislation. Typically the ministry who is/was in charge of elaborating the legislation, or the adressee for potential questions about the legislation once it is published.
Class Property
1 typeschema.org
Indicates that the objectives set by this legislation (or part of legislation) are fulfilled by another legislation who passed appropriate implementation measures. Typically, European Directives are transposed by the legislations of European Union's member states or regions. This indicates a legally binding link between the 2 legislations.
Class Property
1 typeschema.org
Indicates that this legislation (or part of legislation) fulfills the objectives set by another legislation, by passing appropriate implementation measures. Typically, some legislations of European Union's member states or regions transpose European Directives. This indicates a legally binding link between the 2 legislations.
Class Property
2 typesschema.org
The type of the legislation. Examples of values are "law", "act", "directive", "decree", "regulation", "statutory instrument", "loi organique", "règlement grand-ducal", etc., depending on the country.
Class Property
2 typesschema.org
Indicates a page (or other CreativeWork) for which this thing is the main entity being described. See [background notes](https://schema.org/docs/datamodel.html#mainEntityBackground) for details.
Class Property
2 typesschema.org
An offer to provide this itemβfor example, an offer to sell a product, rent the DVD of a movie, perform a service, or give away tickets to an event. Use [businessFunction](https://schema.org/businessFunction) to indicate the kind of transaction offered, i.e. sell, lease, etc. This property can also be used to describe a [Demand](https://schema.org/Demand). While this property is listed as expected on a number of common types, it can be used in others. In that case, using a second type, such as Product or a subtype of Product, can clarify the nature of the offer.
Class Property
2 typesschema.org
The service provider, service operator, or service performer; the goods producer. Another party (a seller) may offer those services or goods on behalf of the provider. A provider may also serve as the seller.
Class Property
2 typesschema.org
The publishingPrinciples property indicates (typically via [URL](https://schema.org/URL)) a document describing the editorial principles of an [Organization](https://schema.org/Organization) (or individual, e.g. a [Person](https://schema.org/Person) writing a blog) that relate to their activities as a publisher, e.g. ethics or diversity policies. When applied to a [CreativeWork](https://schema.org/CreativeWork) (e.g. [NewsArticle](https://schema.org/NewsArticle)) the principles are those of the party primarily responsible for the creation of the [CreativeWork](https://schema.org/CreativeWork). While such policies are most typically expressed in natural language, sometimes related information (e.g. indicating a [funder](https://schema.org/funder)) can be expressed using schema.org terminology.